Finding the Fourth Proportional to 518,977.99, 778,596.59 and 144,997.75
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Solution
The fourth proportional to 518,977.99, 778,596.59 and 144,997.75 is: 217,532.84
Step by Step Solution
- Step 1: Write the proportion equation
518,977.99 : 778,596.59 = 144,997.75 : x - Step 2: Convert to fraction form
518,977.99/778,596.59 = 144,997.75/x - Step 3: Cross multiply
518,977.99x = 778,596.59 × 144,997.75 - Step 4: Simplify right side
518,977.99x = 112,894,753,707.67 - Step 5: Solve for x
x = 112,894,753,707.67/518,977.99 - Step 6: Final answer
x = 217,532.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.